SWLing Post Blog

But what of this SDR’s performance? In a nutshell: as of today, I’d contend that the RSP1A will simply be the best SDR value on the market. End of story. There is nothing I know in the $99 price bracket that can beat it.

Laboenligne.ca

Over on YouTube user Laboenligne.ca (aka Pascal Villeneuve VA2PV) has uploaded an interview that he did with Jon Hudson of SDRplay. The interview discusses the RSP1A product as well as the development around it.

Airspy is years ahead? That is what they tell you.
Fact: the rf part of Airspy is a direct coppy of the cheap RTL-SDR dongles (circuit and layout!). The ADC is different.
The dongles have been on the market now for almost a decade. Yes, that is years ahead.

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What is RTL-SDR

The RTL-SDR is an ultra cheap software defined radio based on DVB-T TV tuners with RTL2832U chips. The RTL-SDR can be used as a wide band radio scanner. It may interest ham radio enthusiasts, hardware hackers, tinkerers and anyone interested in RF.